Cradle frame



FIG. 1 is a perspective view of a cradle frame showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof, with the left-side elevational view being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Broken lines are included for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for a cradle frame, as shown and described. 